Mesothelioma Staging – According to the extent of the disease in a patient’s body

Mesothelioma Staging

The four stages of mesothelioma allow doctors to identify and classify the severity and progression of the cancer at diagnosis. Stage 1 offers the most hopeful prognosis, while a Stage 4 diagnosis often means the patient is limited to palliative care.

How Mesothelioma Is Staged ( Mesothelioma Staging )

Mesothelioma staging refers to the process of categorizing mesothelioma according to the extent of the disease in a patient’s body. Staging is actually a process common to all types of cancer, although specific staging systems are often developed based on characteristics of specific cancers, like mesothelioma.

Mesothelioma has four stages that doctors can use to determine extent of the cancer within the body. Upon being diagnosed, the diagnosing doctor will identify the stage with a number between 1 and 4, with Stage 4 being the most severe and deadliest form.
The Four Stages of Mesothelioma

Mesothelioma Stages

Staging only occurs at diagnosis. While the cancer may progress or recede, the stage of mesothelioma at diagnosis will not change. For example, if a Stage 1 mesothelioma tumor spreads to other parts of the body, it is called Stage 1 with metastasis. Likewise, if a Stage 4 mesothelioma tumor reduces in size or goes into remission, the stage will not change. While the initial treatment program may depend on the mesothelioma stage, actual treatment may vary depending on how the disease progresses.

Mesothelioma Staging - According to the extent of the disease in a patient’s body

Generally, staging requires a number of diagnostic tests to determine the tumor location, size, and whether it has spread beyond the initial site.
Mesothelioma Staging by Type

Given the rarity of mesothelioma, a formal staging classification exists only for pleural mesothelioma, the most common variety. No formal staging systems are defined for peritoneal, pericardial, or testicular mesothelioma.

Although there are no staging systems for less common forms of mesothelioma, the American Joint Committee on Cancer (AJCC) has published general guidelines for staging cancer in its AJCC Cancer Staging Manual. Therefore, even when doctors do not have guidelines for a specific form of cancer, they can still refer to the general guidelines to help determine the stages of extremely rare cancers like peritoneal mesothelioma and pericardial mesothelioma.
Stages of Mesothelioma

The four stages of mesothelioma vary slightly within each system, but they can be generalized as indicated below. Please click into the individual pages to get more information about each stage.

Stage 1

In Stage 1, the mesothelioma tumor is in one location, and the cancer has not spread to lymph nodes or other organs or tissues. In general, surgery may be an option for removing the tumor.

Stage 2

In Stage 2, the mesothelioma tumor is larger and has invaded nearby organs, such as the lung or diaphragm. Lymph nodes may also be involved. In this case, surgical resection may still be possible, though more difficult depending on the extent of the growth.

Stage 3

In Stage 3, mesothelioma has invaded a region or area, such as the chest wall, esophagus, or lymph nodes. Surgery is generally not an option as a curative treatment, though other treatments may be tried.

Stage 4

In Stage 4, the mesothelioma has spread to multiple areas, such as other organs and tissues throughout the body. Surgery is not an option, and most treatments at this stage focus on reducing pain and discomfort.

 

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